Several hours after a meal, the brain uses. The Post-Meal Brain: How Digestion Impacts Cognitive Function

The post-meal brain: How digestion impacts cognitive function
The brain switches its attention from abstract thought to digesting after a meal. The brain goes through a series of changes as digestion starts to aid the body in absorbing the nutrients. To facilitate digestion and absorption, the brain also slows down activity within the prefrontal cortex. For example, when food is detected in the gastrointestinal tract, the brain releases cholecystokinin (CCK), which helps to regulate the amount of food eaten as well as the speed at which it is digested (Shi, Ha, & Zhang, 2021). Leptin, and ghrelin are also released from the brain (Liu, 2016). Leptin is released when your body has enough energy. While ghrelin signal hunger, it’s called leptin. The brain uses these hormones to regulate food intake and energy levels, important in maintaining a healthy body weight. In response to food intake, dopamine is also released by the brain, which reinforces the eating behaviour (Garcia Segura, 2019). Cont…
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